Geometry Proofs Vocabulary

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Across
  1. 8. Two angles with a common side but no common interior points are ______.
  2. 10. AB = AB by the ______ property of equality
  3. 11. The middle point of a line segment.
  4. 12. 5x = 6y is the same as 6y = 5x by the ________ property of equality
  5. 13. Two nonadjacent angles formed by two intersecting lines are ______ angles (Hint: they are across from each other)
  6. 14. Segments of equal length are ______ segments.
  7. 15. An angle whose measure is less than 90 degrees
Down
  1. 1. If m<A + m<B = 180, then <A and <B are ________ angles.
  2. 2. In angle ABC, point B is the ______
  3. 3. If a = b and b = c, then a = c by the _______ property of equality
  4. 4. If m<D + m<C = 90, then <D and <C are _______ angles.
  5. 5. Two lines that will never intersect
  6. 6. Lines that meet at a 90 degree angle are ______.
  7. 7. An angle _______ divides an angle into two equal parts.
  8. 9. An angle whose measure is greater than 90 degrees